- Name: Rose Of Sharon - Other Common Names: Hibiscus / Althea / Aaron's Beard - Scientific Name: Hibiscus Syriacus - Color: Mixed Colors - Double Single Blooms - Plant Seeds: Outdoors After Frost / Indoors Weeks Before Last Frost - Bloom Time: Summer - Fall - Hardiness Zone: 5 - 9 ( Reseeds Itself Easily) - Plant Height: 5 - 10? - Plant Spacing: 36 - 48? - Light Requirements: Sun - Part Shade - Soil Water Preferences: Average - Quantity: 50 Seeds - Other: The Rose Of Sharon Is Considered A Bush, Shrub, Or Small Tree. They Are Very Tolerant Of Pruning And You Can Shape Them Into Whatever Form Best Suits Your Needs. They Grow Well In Any Soil Including Clay And Are Able To Tolerate Drought. The Rose Of Sharon Grows Very Quickly And Has A Long Bloom Period During Which The Large Flowers Cover The Branches. This Tropical Looking Beauty Attracts Bees, Butterflies, And Birds Including Hummingbirds. These Fabulous Shrubs Make An Excellent Living Fence And Will Add A Lot Of Wonderful Fall Color To Any Landscape!